Commercial Air Conditioning Ductwork Design

Typically made of galvanized steel, HVAC ductwork is made to transfer air which may be a cool air supply, return air or exhaust air. HVAC ductwork design includes planning (pipe layout), pipe sizing and HVAC detailing with pressure loss. The design for the ductwork follows the buildings' floor plan which includes the fire walls and direction joists. Good HVAC ductwork design is always concerned about increasing the effectiveness of air distribution.

There are many details that need to be considered before and during commercial air conditioning installation that need professional attention and handling. Especially when installing central air conditioning on a larger and more complex scale there is a lot to consider. A HVAC contractor can provide a comprehensive plan for commercial air conditioning ductwork design and a range on different air conditioning systems available for installation.


A good commercial ac contractor can easily do all the tasks required. As a business owner you need to stay focused on meeting your business demands and leave the specifications for your buildings airflow to a qualified HVAC contractor. A commercial HVAC contractor will also be able to inform you of the most efficient, most cost effective and durable type of units for your building's needs. They can also provide advice on how the right installation can help to lower utility bills. Be sure to ask for written estimates and for the length of time required for the installation process. You want to make sure to avoid discomfort and inconvenience for your customers and employees.

A well designed and installed commercial air conditioning system eventually results in a better work environment and greater productivity. Comfortable temperatures and better air quality reduces dust and pollutants. A temperate environment can extend the life of operating equipment. It all can be contributed to well designed and installed HVAC ductwork along with proper vents which help the central airconditioning system to equally distribute the chilled air in all parts of the building.

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Commercial Air Conditioning - Cooling Solutions For Work Spaces

If your work space is full of heat generating electrical and electronics, then you definitely need some heat removal system to save yourself and your equipments. Air conditioning is one way of doing it. In an industrial set up, proper heating, ventilation or air conditioning (HVAC) is essential to ensure that the work environment is safe for other employees and workers.

Which places need industrial or commercial air conditioning?

Places where large number of people and heat generating equipments are employed need air conditioning to remove heat and circulate fresh air and remove the stuffy gases out.

Example: Hospitals, IT companies, manufacturing factories, hotels, etc.

Types of Industrial and Commercial Air Conditioning

Modern systems use ductless or split air conditioning. The cooling unit and condenser are located far away from the room on roof tops usually. The cooling is thermostat controlled. Ducted cooling system is not used these days due to inefficiency.

Apart from that many different cooling technologies are available, such as air cooling, water cooling, glycol cooling and chilled water cooling.

Air cooled systems

Widely used for its convenient ductless set up and easy maintenance.
There is a condenser unit outside which helps in exchanging the fresh air and removing the hot air inside.
But the cooling pipes cannot run very long distances. Hence, the height between the work space and the roof or outside environment can be a constraint.


Glycol cooled systems

This is a much sophisticated cooling system in which temperatures below 50ºF (10ºC) can be achieved.
Glycol is the coolant used. These can run for long distances and can provide cooling for multiple work spaces with a single condenser unit.
But, quality and quantity of glycol should be optimum and hence need more maintenance.


Water cooled system

Water is cooled inside a cooling tower which in turn is relayed back to the heat exchanger placed in the work environment.
Multiple work spaces can be cooled with a single cooling tower.
But, maintenance of cooling tower and optimum quality of water required can pose economic set back.


Chilled water system

This has a greater heat removing capacity.
One chiller plant is required and it can cool an entire building.
Can be used for larger areas with greatest efficiency.
But installation charges are sky high and the system removes lots of moisture from the air which might cause problems for employees.


Depending upon your requirements, you can choose among these discussed cooling systems to cool and ventilate your work space. Some of them can be worked in combination with each other as a single system doesn't work in all environments. Choose wisely and make your work space employee friendly.

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Commercial Air Conditioning Tips

Commercial air conditioners are expensive assets. The knowledge to ensure that your commercial air conditioner lasts longer is valuable. This will help make it so that you don't need to buy as many a/c units over the course of your lifetime. This info can save you money in more ways than that, because if an air conditioner is not properly taken care, it will lose efficiency. Which will cost you money. There are many minor things one can do to get more life out of large appliances. Most of them don't take very time. When considering whether or not it's worth the extra effort needed to follow these steps, remember how much money large appliances cost, and remember how your employees probably don't enjoy working in 100 degree weather.

A few steps one can take to add a longer to life a commercial air conditioner:

Keep the filter clean. Most commercial air conditioners have filters with a plastic frame. (If your filter does not have a hard frame it is a disposable filter that can be replaced at a low cost. Do not try to clean a disposable filter.) You can only clean a commercial filter once: simply by taking it out, scrubbing all the dust off of it, and inserting it back to position. * note: it is wise to turn the filter around when you place it back into position so that you're using the opposite side.

Change your thermostat in small increments. If it is 100 degrees outside do not put the thermostat on 50. That's forcing the unit to work as hard as it possibly can. Simply by making sure the unit doesn't over work itself you can save yourself a great deal of money.

The best way to make your unit last longer is avoidance. Only use your air condition on hot days. Try to avoid setting the temperature lower than 78. If it is a reasonable day simply try opening a window or two. Don't let yourself sink into the mindset of always relying on your appliances. If you really want your air condition to last longer, simply respect it and try not to over use it.

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How to Get the Right Commercial Air Conditioning

If you're in the market for commercial air conditioning, then you'll want to make sure that you get it right, and don't make an expensive mistake that could have been avoided.

Here's what you need to think about.

1. You'll have to make sure that you decide what you want your commercial air conditioning system to do. You might run a hotel, and office, or a shop, and so will have some idea of your needs and requirements.

2. If there is a chance that you might have more people in your office, or more rooms in your hotel, or have different departments in your shop, then you'll want to ensure that you take into account future needs

3. It's essential that you choose an air con system that is energy efficient, so that you're doing your bit for the environment. Also, a more efficient system will be cheaper to run.

4. Your air conditioning installation company will help you make the important decisions, and give you the advice and information you need in order to make the right decisions.

5. You'll want to be able to choose from different brands of air con system so that you can find out which one offers the features you need for your circumstances. You won't want to be restricted to a certain brand.

6. The air conditioning installation company should be helpful and understand that your skills, expertise and knowledge might lie elsewhere, and that you need help with features and benefits, or don't fully understand the legal requirements.

7. The air con company you choose needs to be experienced, so that you can feel confident that they will do a good job for you. You might want to see examples of their work, or read case studies, so that you can see for your self what they have done.

8. Regular training is important in this industry, as products and specifications do change. You'll want to choose a company that stays up to date, and knows about the products they sell and install. You'll want to know that you can trust their judgment.

9. After your heating and ventilation system has been installed, you'll need to make sure that it is kept in full working order. An air conditioning maintenance schedule is the best way to ensure that if you do have any issues, you can get them sorted straight away. You'll also benefit from knowing that an engineer will keep your air con system working at its optimum.

10. No matter what sort of system you want, or choose, you can't buy on cost alone. There's no point in sacrificing important features or benefits because of the price. You won't want to choose a system that doesn't meet your current or future needs, and nor do you one that is too complicated to use and too much for your requirements.

Now you know more about what to look for, you can choose the right commercial air conditioning system.

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Do You Need a New Commercial Air Conditioning System?

If your existing commercial air conditioning system is a few years old, or needs repairing or servicing often, then perhaps it's time to think about a new one. Here's why you might need a new air conditioning system.

1. Your current one might be hard to use, and so you'll be looking for one that is easy to use, and not to complicated. You won't want to have to consult the manual when you want to change the temperature, or have to have comprehensive training if you want to use some of the other additional features.

2. There's no point in changing your air conditioning system if it's not for the better. Technology and design have changed over the years, so you're likely to get a much more efficient system, with the performance and features you need for your workplace if you change your air conditioning system.

3. Your current heating and ventilation system might have features you won't ever need. If you can't envisage your needs changing, then perhaps you'd be better off with a new less sophisticated system that exactly meets your needs.

4. A new commercial air conditioning system is likely to be much more environmentally friendly than your existing system, and will also meet current noise legislations. Does your existing system?

5. You might need be change your commercial air conditioning system as you need a more, or less, powerful system. Perhaps your needs have changed over the years, and you're currently having to make do with something that isn't effective or appropriate.

6. Your current system might not cover all of your rooms, or you might have changed your office layout, or are now using rooms for different purposes, such as having a dedicated server room.

7. Your future requirements might change and you want to be able to expand and change your heating and ventilation, as and when appropriate. You might be adding more rooms to your hotel complex, adding more floor space to your shop, or adding new machines to your factory. Would a more flexible system be best?

8. If you choose a new heating and ventilation system, you'll be able to make sure that it is looked after properly from the beginning in accordance with the manufacturer's recommendations by taking out an air conditioning maintenance schedule. This will ensure that if there is a problem with the system, you won't be stranded without it, have to wait for an engineer, or have to pay expensive call out fees.

9. Perhaps you were limited in the models or brands you could choose from previously, and there might be a new brand or range, or a more appropriate model that will better for your requirements. It might be more cost effective, and be a better use of resources to change your heating and ventilation system to a system that is exactly what you need.

10. You might be moving premises, and so need to have a new air conditioning system fitted, and want to make sure that you get the right system for your needs. Maybe you haven't bought a system before, and are not sure what to look for.

Now you know more about why you need a new heating and ventilation system, perhaps now is the time to invest in a new commercial air conditioning system.

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